Detailed Rationales | HealthStudyPro | Patho, Pharm,
Physical Assessment
✅ Question 001
A patient presents with left-sided facial droop, inability to close the left eye, and no forehead
sparing. Which cranial nerve is most likely affected?
A. Trigeminal nerve (CN V)
B. Facial nerve (CN VII)
C. Oculomotor nerve (CN III)
D. Glossopharyngeal nerve (CN IX)
Correct Answer: B
Rationale: The facial nerve (CN VII) controls facial muscle movement. A complete left-sided
facial droop including the forehead suggests a peripheral CN VII palsy (e.g., Bell's palsy).
,✅ Question 002
Which medication is contraindicated in a patient taking lisinopril and presenting with bilateral
lower extremity swelling?
A. Furosemide
B. Losartan
C. Amlodipine
D. Hydrochlorothiazide
Correct Answer: C
Rationale: Amlodipine, a calcium channel blocker, commonly causes peripheral edema. Using it
with an ACE inhibitor like lisinopril may worsen edema.
✅ Question 003
A 70-year-old male presents with new onset hematuria, flank pain, and a palpable abdominal
mass. Which diagnosis should be ruled out first?
A. Nephrolithiasis
B. Urinary tract infection
C. Renal cell carcinoma
D. Bladder cancer
,Correct Answer: C
Rationale: Classic triad of renal cell carcinoma includes hematuria, flank pain, and palpable
mass. This should be ruled out urgently.
✅ Question 004
Which of the following insulin types has the fastest onset of action?
A. Regular insulin
B. NPH insulin
C. Lispro (Humalog)
D. Glargine (Lantus)
Correct Answer: C
Rationale: Lispro is a rapid-acting insulin with onset within 15 minutes, making it the fastest
among options listed.
✅ Question 005
You suspect appendicitis in a 24-year-old male. Which physical exam finding supports your
diagnosis?
A. Murphy's sign
B. McBurney’s point tenderness
, C. Grey Turner’s sign
D. Cullen's sign
Correct Answer: B
Rationale: McBurney’s point tenderness (1/3 distance from anterior superior iliac spine to
umbilicus) is classic for appendicitis.
✅ Question 006
Which drug class is first-line for treating generalized anxiety disorder (GAD)?
A. Benzodiazepines
B. SSRIs
C. SNRIs
D. Beta-blockers
Correct Answer: B
Rationale: SSRIs are first-line for GAD due to efficacy and safety in long-term use.
Benzodiazepines are not first-line due to dependence risk.
✅ Question 007
What is the primary function of the loop of Henle in the nephron?